1022420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 2513280

約数和(自身を除く): 1490860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 109, 134, 140, 218, 268, 335, 436, 469, 545, 670, 763, 938, 1090, 1340, 1526, 1876, 2180, 2345, 3052, 3815, 4690, 7303, 7630, 9380, 14606, 15260, 29212, 36515, 51121, 73030, 102242, 146060, 204484, 255605, 511210, 1022420]

約数ペア:

[(1, 1022420), (2, 511210), (4, 255605), (5, 204484), (7, 146060), (10, 102242), (14, 73030), (20, 51121), (28, 36515), (35, 29212), (67, 15260), (70, 14606), (109, 9380), (134, 7630), (140, 7303), (218, 4690), (268, 3815), (335, 3052), (436, 2345), (469, 2180), (545, 1876), (670, 1526), (763, 1340), (938, 1090)]